Write.app is a distraction-free writing app with publishing/blogging capabilities. Create free notebooks anywhere for anything.
Description from Internet Scout Project
"Writing on a computer with access to the Internet (and other matters) can be distracting. WriteApp helps offering a less distracting, browser-based environment to get your writing done. Visitors can use the application to compose short notes or long-form pieces with excellent formatting options. They can write out thoughts in an email and have them set in a variety of formats and settings. This version is compatible with all operating systems"